You want a smart car to control the headlights based on a few conditions. Design a closed-loop control system that turns on the headlights when the car senses that the sun has set OR when it starts to rain OR when the driver verbally says to turn on the headlights.

I'm not sure if a schematic will show this correctly. I think it will. But i know with an OR option, it will turn on the headlights when ANY of the conditions are present.

thanks for any help with this one.

May 2nd 2007, 11:39 PM

earboth

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Quote:

Originally Posted by rcmango

You want a smart car to control the headlights based on a few conditions. Design a closed-loop control system that turns on the headlights when the car senses that the sun has set OR when it starts to rain OR when the driver verbally says to turn on the headlights.

I'm not sure if a schematic will show this correctly. I think it will. But i know with an OR option, it will turn on the headlights when ANY of the conditions are present.

thanks for any help with this one.

Hello,

1. I've attached a diagram of a possible scheme

2. You have to use a clock with this system to get the loop working

3. You didn't ask for a routine, how the car switches off the light automatically.

May 3rd 2007, 09:34 AM

rcmango

Hey thanks for the scheme. Ya this makes it more clear now. Thankyou.

May 30th 2008, 07:53 AM

johnbarton

I'm not sure if a schematic will show this correctly. I think it will. But i know with an OR option, it will turn on the headlights when ANY of the conditions are present.